Granted Patent
Utility
US 4,558,560 · App. 06/652,365
Pivot tongue harvester with lateral transport
Inventor:
Earl E. Koch
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Sep 19, 1984
Inventor
Earl E. Koch
Assignee (at issue)
Sperry Corp.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.